Apple unveiled the next-generation iPhone, iPhone 5s along with the new iPhone 5c at a special event on Tuesday. The iPhone 5s is a much improvised version of the iPhone 5 with new internals, although it sports almost the same design.

According to Apple, the iPhone 5s is the first smartphone in the world to be powered by a chip with a 64-bit architecture. The iPhone 5s' A7 chip delivers CPU and graphics performance up to 2x faster than the A6 chip that powered the iPhone 5.The phone runs a 64-bit version of iOS 7, designed to take advantage of the A7 chip. The A7 chip supports OpenGL ES version 3.0 to deliver gaming console-level detailed graphics and complex visual effects. The iOS 7 native apps including the Camera app takes advantage of the new A7 processor.

The most talked about feature of the iPhone 5s, the Touch ID is a new fingerprint identity sensor integrated with the phone's Home button. Fingerprint recognition can be used for unlocking the phone and also for approving purchases from iTunes Store, the App Store, and the iBooks Store. The Touch ID feature is capable of 360-degree readability allowing users to enter fingerprints in portrait, landscape, or any other position. It even supports multiple fingerprints. The iPhone 5s Home button is made from sapphire and is scratch resistant...

Apple will also offer its premium iWork and iLife apps including Pages, Keynote, Number, iLife and iMovie, free to customers who buy the new iPhone 5s.